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    <script>
        // ... 这是扩展运算符  这个扩展运算符能够将数组转化为逗号分隔的参数序列
        const arr = ['易烊千玺','王元','王俊凯']   //让它转化为 '易烊千玺','王元','王俊凯'
        function chunwan(){
            console.log(arguments);
        }
        chunwan(...arr)
    </script>
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